Home / 3,287,129.36-4,536,264.68-1,856,345.36

Finding the Fourth Proportional to 3,287,129.36, 4,536,264.68 and 1,856,345.36

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Solution

The fourth proportional to 3,287,129.36, 4,536,264.68 and 1,856,345.36 is: 2,561,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,129.36 : 4,536,264.68 = 1,856,345.36 : x
  2. Step 2: Convert to fraction form
    3,287,129.36/4,536,264.68 = 1,856,345.36/x
  3. Step 3: Cross multiply
    3,287,129.36x = 4,536,264.68 × 1,856,345.36
  4. Step 4: Simplify right side
    3,287,129.36x = 8,420,873,890,449.89
  5. Step 5: Solve for x
    x = 8,420,873,890,449.89/3,287,129.36
  6. Step 6: Final answer
    x = 2,561,771.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.